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[TelegramBridge] Add new bridge (#1175)
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| Original file line number | Diff line number | Diff line change |
|---|---|---|
| @@ -0,0 +1,265 @@ | ||
| <?php | ||
| class TelegramBridge extends BridgeAbstract { | ||
| const NAME = 'Telegram Bridge'; | ||
| const URI = 'https://t.me'; | ||
| const DESCRIPTION = 'Returns newest post from a public Telegram channel'; | ||
| const MAINTAINER = 'VerifiedJoseph'; | ||
| const PARAMETERS = array(array( | ||
| 'username' => array( | ||
| 'name' => 'Username', | ||
| 'type' => 'text', | ||
| 'exampleValue' => '@telegram', | ||
| ) | ||
| ) | ||
| ); | ||
|
|
||
| const CACHE_TIMEOUT = 900; // 15 mins | ||
|
|
||
| private $feedName = ''; | ||
| private $enclosures = array(); | ||
| private $itemTitle = ''; | ||
|
|
||
| private $backgroundImageRegex = "/background-image:url\('(.*)'\)/"; | ||
|
|
||
| public function collectData() { | ||
|
|
||
| $html = getSimpleHTMLDOM($this->getURI()) | ||
| or returnServerError('Could not request: ' . $this->getURI()); | ||
|
|
||
| $channelTitle = htmlspecialchars_decode( | ||
| $html->find('div.tgme_channel_info_header_title span', 0)->plaintext, | ||
| ENT_QUOTES | ||
| ); | ||
| $this->feedName = $channelTitle . ' (@' . $this->processUsername() . ')'; | ||
|
|
||
| foreach($html->find('div.tgme_widget_message_wrap.js-widget_message_wrap') as $index => $messageDiv) { | ||
| $this->itemTitle = ''; | ||
| $this->enclosures = array(); | ||
| $item = array(); | ||
|
|
||
| $item['uri'] = $this->processUri($messageDiv); | ||
| $item['content'] = $this->processContent($messageDiv); | ||
| $item['title'] = $this->itemTitle; | ||
| $item['timestamp'] = $this->processDate($messageDiv); | ||
| $item['enclosures'] = $this->enclosures; | ||
|
|
||
| $this->items[] = $item; | ||
| } | ||
| $this->items = array_reverse($this->items); | ||
| } | ||
|
|
||
| public function getURI() { | ||
|
|
||
| if (!is_null($this->getInput('username'))) { | ||
| return self::URI . '/s/' . $this->processUsername(); | ||
| } | ||
|
|
||
| return parent::getURI(); | ||
| } | ||
|
|
||
| public function getName() { | ||
|
|
||
| if (!empty($this->feedName)) { | ||
| return $this->feedName . ' - Telegram'; | ||
| } | ||
|
|
||
| return parent::getName(); | ||
| } | ||
|
|
||
| private function processUsername() { | ||
|
|
||
| if (substr($this->getInput('username'), 0, 1) === '@') { | ||
| return substr($this->getInput('username'), 1); | ||
| } | ||
|
|
||
| return $this->getInput('username'); | ||
| } | ||
|
|
||
| private function processUri($messageDiv) { | ||
| return $messageDiv->find('a.tgme_widget_message_date', 0)->href; | ||
| } | ||
|
|
||
| private function processContent($messageDiv) { | ||
| $message = ''; | ||
|
|
||
| if ($messageDiv->find('div.tgme_widget_message_forwarded_from', 0)) { | ||
| $message = $messageDiv->find('div.tgme_widget_message_forwarded_from', 0)->innertext . '<br><br>'; | ||
| } | ||
|
|
||
| if ($messageDiv->find('a.tgme_widget_message_reply', 0)) { | ||
| $message = $this->processReply($messageDiv); | ||
| } | ||
|
|
||
| if ($messageDiv->find('div.tgme_widget_message_sticker_wrap', 0)) { | ||
| $message .= $this->processSticker($messageDiv); | ||
| } | ||
|
|
||
| if ($messageDiv->find('div.tgme_widget_message_poll', 0)) { | ||
| $message .= $this->processPoll($messageDiv); | ||
| } | ||
|
|
||
| if ($messageDiv->find('video', 0)) { | ||
| $message .= $this->processVideo($messageDiv); | ||
| } | ||
|
|
||
| if ($messageDiv->find('a.tgme_widget_message_photo_wrap', 0)) { | ||
| $message .= $this->processPhoto($messageDiv); | ||
| } | ||
|
|
||
| if ($messageDiv->find('div.tgme_widget_message_text.js-message_text', 0)) { | ||
| $message .= $messageDiv->find('div.tgme_widget_message_text.js-message_text', 0); | ||
|
|
||
| $this->itemTitle = $this->ellipsisTitle( | ||
| $messageDiv->find('div.tgme_widget_message_text.js-message_text', 0)->plaintext | ||
| ); | ||
| } | ||
|
|
||
| if ($messageDiv->find('a.tgme_widget_message_link_preview', 0)) { | ||
| $message .= $this->processLinkPreview($messageDiv); | ||
| } | ||
|
|
||
| return $message; | ||
| } | ||
|
|
||
| private function processReply($messageDiv) { | ||
|
|
||
| $reply = $messageDiv->find('a.tgme_widget_message_reply', 0); | ||
|
|
||
| return <<<EOD | ||
| <blockquote>{$reply->find('span.tgme_widget_message_author_name', 0)->plaintext}<br> | ||
| {$reply->find('div.tgme_widget_message_text', 0)->innertext} | ||
| <a href="{$reply->href}">{$reply->href}</a></blockquote><hr> | ||
| EOD; | ||
| } | ||
|
|
||
| private function processSticker($messageDiv) { | ||
|
|
||
| if (empty($this->itemTitle)) { | ||
| $this->itemTitle = '@' . $this->processUsername() . ' posted a sticker'; | ||
| } | ||
|
|
||
| $stickerDiv = $messageDiv->find('div.tgme_widget_message_sticker_wrap', 0); | ||
|
|
||
| preg_match($this->backgroundImageRegex, $stickerDiv->find('i', 0)->style, $sticker); | ||
|
|
||
| $this->enclosures[] = $sticker[1]; | ||
|
|
||
| return <<<EOD | ||
| <a href="{$stickerDiv->children(0)->herf}"><img src="{$sticker[1]}"></a> | ||
| EOD; | ||
| } | ||
|
|
||
| private function processPoll($messageDiv) { | ||
|
|
||
| $poll = $messageDiv->find('div.tgme_widget_message_poll', 0); | ||
|
|
||
| $title = $poll->find('div.tgme_widget_message_poll_question', 0)->plaintext; | ||
| $type = $poll->find('div.tgme_widget_message_poll_type', 0)->plaintext; | ||
|
|
||
| if (empty($this->itemTitle)) { | ||
| $this->itemTitle = $title; | ||
| } | ||
|
|
||
| $pollOptions = '<ul>'; | ||
|
|
||
| foreach ($poll->find('div.tgme_widget_message_poll_option') as $option) { | ||
| $pollOptions .= '<li>' . $option->children(0)->plaintext . ' - ' . | ||
| $option->find('div.tgme_widget_message_poll_option_text', 0)->plaintext . '</li>'; | ||
| } | ||
| $pollOptions .= '</ul>'; | ||
|
|
||
| return <<<EOD | ||
| {$title}<br><small>$type</small><br>{$pollOptions} | ||
| EOD; | ||
| } | ||
|
|
||
| private function processLinkPreview($messageDiv) { | ||
|
|
||
| $image = ''; | ||
| $title = ''; | ||
| $site = ''; | ||
| $description = ''; | ||
|
|
||
| $preview = $messageDiv->find('a.tgme_widget_message_link_preview', 0); | ||
|
|
||
| if (trim($preview->innertext) === '') { | ||
| return ''; | ||
| } | ||
|
|
||
| if($preview->find('i', 0) && | ||
| preg_match($this->backgroundImageRegex, $preview->find('i', 0)->style, $photo)) { | ||
|
|
||
| $image = '<img src="' . $photo[1] . '"/>'; | ||
| $this->enclosures[] = $photo[1]; | ||
| } | ||
|
|
||
| if ($preview->find('div.link_preview_title', 0)) { | ||
| $title = $preview->find('div.link_preview_title', 0)->plaintext; | ||
| } | ||
|
|
||
| if ($preview->find('div.link_preview_site_name', 0)) { | ||
| $site = $preview->find('div.link_preview_site_name', 0)->plaintext; | ||
| } | ||
|
|
||
| if ($preview->find('div.link_preview_description', 0)) { | ||
| $description = $preview->find('div.link_preview_description', 0)->plaintext; | ||
| } | ||
|
|
||
| return <<<EOD | ||
| <blockquote><a href="{$preview->href}">$image</a><br><a href="{$preview->href}"> | ||
| {$title} - {$site}</a><br>{$description}</blockquote> | ||
| EOD; | ||
| } | ||
|
|
||
| private function processVideo($messageDiv) { | ||
|
|
||
| if (empty($this->itemTitle)) { | ||
| $this->itemTitle = '@' . $this->processUsername() . ' posted a video'; | ||
| } | ||
|
|
||
| preg_match($this->backgroundImageRegex, $messageDiv->find('i.tgme_widget_message_video_thumb', 0)->style, $photo); | ||
|
|
||
| $this->enclosures[] = $photo[1]; | ||
|
|
||
| return <<<EOD | ||
| <video controls="" poster="{$photo[1]}" preload="none"> | ||
| <source src="{$messageDiv->find('video', 0)->src}" type="video/mp4"> | ||
| </video> | ||
| EOD; | ||
| } | ||
|
|
||
| private function processPhoto($messageDiv) { | ||
|
|
||
| if (empty($this->itemTitle)) { | ||
| $this->itemTitle = '@' . $this->processUsername() . ' posted a photo'; | ||
| } | ||
|
|
||
| $photos = ''; | ||
|
|
||
| foreach ($messageDiv->find('a.tgme_widget_message_photo_wrap') as $photoWrap) { | ||
| preg_match($this->backgroundImageRegex, $photoWrap->style, $photo); | ||
|
|
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| $this->enclosures[] = $photo[1]; | ||
|
|
||
| $photos .= <<<EOD | ||
| <a href="{$photoWrap->href}"><img src="{$photo[1]}"/></a><br> | ||
| EOD; | ||
| } | ||
| return $photos; | ||
| } | ||
|
|
||
| private function processDate($messageDiv) { | ||
| return $messageDiv->find('time', 0)->datetime; | ||
| } | ||
|
|
||
| private function ellipsisTitle($text) { | ||
|
|
||
| $length = 100; | ||
|
|
||
| if (strlen($text) > $length) { | ||
| $text = explode('<br>', wordwrap($text, $length, '<br>')); | ||
| return $text[0] . '...'; | ||
| } | ||
| return $text; | ||
| } | ||
| } |